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Eustenocrinidae
Taxonomy
Eustenocrinidae was named by Ulrich (1924).
It was assigned to Myelodactylacea by Ubaghs et al. (1978); to Disparida by Donovan (1984); to Heterocrinoidea by Ausich (1986); and to Eustenocrinida by Ausich (1998), Ausich and Copper (2010) and Ausich et al. (2018).
It was assigned to Myelodactylacea by Ubaghs et al. (1978); to Disparida by Donovan (1984); to Heterocrinoidea by Ausich (1986); and to Eustenocrinida by Ausich (1998), Ausich and Copper (2010) and Ausich et al. (2018).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Eustenocrinidae Ulrich |
| 1978 | Eustenocrinidae Ubaghs et al. p. T553 |
| 1984 | Eustenocrinidae Donovan |
| 1986 | Eustenocrinidae Ausich p. 221 |
| 1998 | Eustenocrinidae Ausich p. 25 |
| 2010 | Eustenocrinidae Ausich and Copper p. 63 |
| 2018 | Eustenocrinidae Ausich et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Eustenocrinidae Ulrich 1924
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G. †Eustenocrinus Ulrich 1924
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†Eustenocrinus milleri Wetherby 1880
†Eustenocrinus springeri Ulrich 1925
G. †Peniculocrinus Moore 1962
G. †Pogonipocrinus Kelly and Ausich 1979
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. I. Ausich 1986 | Aboral cup conical,basalsvisible in side view or concealed;all five radials compound; anal X directly above C superradial, supported by C- and D-ray superradials or supported by C-ray brachianal;armsbranchisotomously;column round to subpentagonal |